The Cracinæ, or Curassows, are found in Mexico, in Central and in South America; the Oreophasinæ are represented by a single species, Oreophasis derbianus, a bird nearly as large as a Turkey, occurring in the wooded region of the Volcan de Fuego, Guatemala, at an altitude of 10,000 feet. Of the Penelopinæ one species only is found in the United States.
Subfamily PENELOPINÆ.
This is the most extensive section of Cracidæ, embracing, according to Sclater and Salvin, no less than thirty-nine species. The genera indicated are as follows:—
A. A central fold of skin on the throat.
Outer quills narrow, but entire.
Throat feathered … 1. Stegnolæma.
Throat naked.
Sexes similar … 2. Penelope.
Sexes different … 3. Penelopina.
Outer quills emarginated.